Hybrid technology, since its inception, has been designed to reduce the impact of the combustion engine on the environment. However, the newest generation of supercars from McLaren, Ferrari and Porsche have used the powerful aspects of the electric motor to enhance the capabilities of the internal combustion engine. Since the first glimpse of the Porsche 918 at the 2010 Geneva motor show [Top Gear Australia, 2010], Porsche has continued to relentlessly research and further develop the system to maximize the potential of the hybrid system. With a 4.6-liter V8 producing 608 hp and two electric motors, the 918 produces an incredible 887 hp, with an extremely impressive top speed of 340 km/h [Porsche Automobil Holding SE, 2014]. But let's not dwell on the irreverent top speed since the engineering behind the 918 is dedicated to the track. That is, how it converts this power and torque into angular acceleration. How does it work? A traditional petrol engine delivers a small amount of torque at low rpm, resulting in less angular acceleration, using electric motors, the 918 can generate 680Nm of torque at 800rpm. By using electric motors when the petrol engine is less efficient, the capability of these supercars has reached a new level. While a 4.6-litre V8 supercar may seem like a thing of the past, the Porsche 918 demonstrates the potential of the hybrid engine by producing just 70g/km of carbon dioxide compared to 89g/km in the Toyota Prius (the face of efficiency) and similarly with a fuel consumption of 3.3 l/100 km compared to the Toyota Prius (the face of efficiency). 3.9/100 km [Toyota, 2014]. This means that the pleasure of driving can be preserved as humanity's source of oil is reaching a point where cars are becoming less viable as an option. Until then... half the paper... ring. But in today's modern society, the problems we face are more evolved than those faced by engineers thousands of years ago. Reaching the pinnacle of pure automobile capability, the need today is to perfect efficiency to maintain our lifestyle, preserving it for future generations. The main objective of the Porsche 918 is to develop a supercar that embraces all the technological evolutions of the last two years, making it as efficient as possible. Why is this important? For the normal person, sure it can be interesting, but for those who appreciate driving, the Porsche 918 and other similar cars, LaFerrari, McLaren P1 and Lexus LF-LC, retain the thrill of driving, while making it possible to do so without compromising the already exhausted source of fuel available to us now and in the future.
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